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commit fbae764eb598cc3675e5a22faaf626fbf4d9bd32 Author: Clay Baenziger <[email protected]> AuthorDate: Fri Aug 30 17:41:28 2019 -0400 RATIS-667. Add a lifecycle diagram for the LogService Co-authored-by: Josh Elser <[email protected]> --- lifecycle.dot | 45 ++++++++++ lifecycle.svg | 206 ++++++++++++++++++++++++++++++++++++++++++++++ logservice.html | 7 ++ logservice/lifecycle.html | 7 ++ 4 files changed, 265 insertions(+) diff --git a/lifecycle.dot b/lifecycle.dot new file mode 100644 index 0000000..afc8d2a --- /dev/null +++ b/lifecycle.dot @@ -0,0 +1,45 @@ +/* + * Licensed to the Apache Software Foundation (ASF) under one + * or more contributor license agreements. See the NOTICE file + * distributed with this work for additional information + * regarding copyright ownership. The ASF licenses this file + * to you under the Apache License, Version 2.0 (the + * "License"); you may not use this file except in compliance + * with the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +/* Rendered with dot -Tsvg lifecycle.dot > lifecycle.svg */ +digraph LogServiceStates { + node [shape=box, fontsize=16] + { rank = same; + write [shape=plaintext, label="write()",fillcolor=grey,style=filled]; + read1 [shape=plaintext, label="read()",fillcolor=grey,style=filled]; + read2 [shape=plaintext, label="read()",fillcolor=grey,style=filled]; + export [shape=plaintext, label="export()",fillcolor=grey,style=filled]; + } + + external1 [shape=none,label=""]; + external2 [shape=none,label=""]; + + OPEN [shape=Mdiamond]; + DELETED [shape=Msquare]; + OPEN -> CLOSED [label="API\nCall"]; + OPEN -> CLOSED [label="Quorum\nFailure"]; + CLOSED -> DELETED; + CLOSED -> ARCHIVING [label="API\nCall"]; + OPEN -> {write; read1; export} -> OPEN; + CLOSED -> read2 -> CLOSED; + ARCHIVING -> ARCHIVED [label="On\nCompletion"]; + ARCHIVED -> DELETED; + + ARCHIVING -> external1 [label="Writes\nData\nExternally",style=dotted]; + export -> external2 [label="Writes\nData\nExternally",style=dotted]; +} diff --git a/lifecycle.svg b/lifecycle.svg new file mode 100644 index 0000000..d9bf361 --- /dev/null +++ b/lifecycle.svg @@ -0,0 +1,206 @@ +<?xml version="1.0" encoding="UTF-8" standalone="no"?> +<!DOCTYPE svg PUBLIC "-//W3C//DTD SVG 1.1//EN" + "http://www.w3.org/Graphics/SVG/1.1/DTD/svg11.dtd";> +<!-- + Licensed under the Apache License, Version 2.0 (the "License"); + you may not use this file except in compliance with the License. + You may obtain a copy of the License at + + http://www.apache.org/licenses/LICENSE-2.0 + + Unless required by applicable law or agreed to in writing, software + distributed under the License is distributed on an "AS IS" BASIS, + WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + See the License for the specific language governing permissions and + limitations under the License. See accompanying LICENSE file. +--> +<!-- Generated by graphviz version 2.40.1 (20161225.0304) + --> +<!-- Title: LogServiceStates Pages: 1 --> +<svg width="315pt" height="597pt" + viewBox="0.00 0.00 315.19 596.98" xmlns="http://www.w3.org/2000/svg"; xmlns:xlink="http://www.w3.org/1999/xlink";> +<g id="graph0" class="graph" transform="scale(1 1) rotate(0) translate(4 592.9766)"> +<title>LogServiceStates</title> +<polygon fill="#ffffff" stroke="transparent" points="-4,4 -4,-592.9766 311.1875,-592.9766 311.1875,4 -4,4"/> +<!-- write --> +<g id="node1" class="node"> +<title>write</title> +<polygon fill="#c0c0c0" stroke="transparent" points="234.6268,-588.9766 175.5607,-588.9766 175.5607,-552.9766 234.6268,-552.9766 234.6268,-588.9766"/> +<text text-anchor="middle" x="205.0938" y="-566.1766" font-family="Times,serif" font-size="16.00" fill="#000000">write()</text> +</g> +<!-- OPEN --> +<g id="node7" class="node"> +<title>OPEN</title> +<polygon fill="none" stroke="#000000" 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fill="#000000" stroke="#000000" points="81.6454,-94.799 73.2309,-88.3611 75.7941,-98.6412 81.6454,-94.799"/> +</g> +</g> +</svg> diff --git a/logservice.html b/logservice.html index 9bc866c..5c62a69 100644 --- a/logservice.html +++ b/logservice.html @@ -202,6 +202,13 @@ an archival of a log is an export of the entire log to a specific location.</p> <li>More data can be appended to a log that was exported (but new data would not be reflected in the exported version of the log).</li> </ul> +<h2 id="visualization">Visualization</h2> + +<p>To get a visual understanding of the log states, please see the image below: +<p> + <img src="lifecycle.svg" alt="Graphviz view of the logstates"/>“ +</p></p> + <h1><a href="/logservice/">LogService</a></h1> diff --git a/logservice/lifecycle.html b/logservice/lifecycle.html index f7fb717..b8931de 100644 --- a/logservice/lifecycle.html +++ b/logservice/lifecycle.html @@ -194,6 +194,13 @@ an archival of a log is an export of the entire log to a specific location.</p> <li>More data can be appended to a log that was exported (but new data would not be reflected in the exported version of the log).</li> </ul> +<h2 id="visualization">Visualization</h2> + +<p>To get a visual understanding of the log states, please see the image below: +<p> + <img src="lifecycle.svg" alt="Graphviz view of the logstates"/>“ +</p></p> + </div> <footer>
